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Definitions

bacteria

[bak-teer-ee-uh] / bækˈtɪər i ə /
NOUN
microorganisms
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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Abbott Laboratories has agreed to pay $385 million to settle allegations related to its management of a baby formula facility where deadly bacteria was suspected of causing infant deaths, the Justice Department said Monday.

From The Wall Street Journal Sep. 14, 2026

Anthrax is caused by a bacteria called Bacillus anthracis, which largely survives as spores that hide away in soil for years before entering an animal through inhalation or a cut or wound.

From BBC Sep. 14, 2026

They also found the bacteria in multiple spots inside the plant and noted that the company had found it repeatedly in prior years.

From The Wall Street Journal Sep. 14, 2026

That can make it difficult to determine which bacteria are genuinely associated with disease, which are simply present by coincidence, and which may have protective effects.

From Science Daily Sep. 7, 2026

He separated the crude bacterial debris from the virulent smooth strain, mixed it with the live bacteria of the nonvirulent rough strain, and injected the mix into mice.

From "The Gene" by Siddhartha Mukherjee

In a study published in Science Advances, the team used BifidoSumIL-2, an engineered strain of Bifidobacterium longum, a probiotic bacterium naturally found in the gut, to carry an immune-stimulating treatment directly into tumors.

From Science Daily Aug. 19, 2026

It is more unusual to see an outbreak like this linked to one specific stain of the bacterium affecting many people at one time.

From BBC Aug. 18, 2026

This bacterium produces propionic acid, a compound associated with anti-inflammatory properties, reduced cholesterol synthesis, and appetite regulation.

From Science Daily Aug. 17, 2026

Just this month, tularemia, also known as rabbit fever and caused by a bacterium in ticks and deer flies, was detected in people living on Long Island.

From Los Angeles Times Aug. 16, 2026

All of us carry the bacterium in our bodies, probably since birth or immediately thereafter.

From "The Tipping Point" by Malcolm Gladwell




Vocabulary lists containing bacteria


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